Liebherr LTM 1500-8.1 - Manual (Page 5)

5 LTM 1500-8.1
• Carrier, superstructure and telescopic boom in light-gauge
design, calculated by the F.E.M. method, weight-optimized
and of particular torsional rigidity
• Tensile property of material with high safety factors through
the application of STE 960 (960 N/mm2) for all supporting
members
Weight-optimized steel structure
• 6-cylinder Liebherr turbo-charged Diesel engine type D936L
A6 of 240 kW/326 h.p, exhaust gas emissions in accordance
with the directives 97/68/EG stage 3 and EPA/CARB Tier 3,
electronically controlled engine speed, engine located laterally
to the rear of the superstructure
• Pump distribution gear with 4 servo-controlled axial piston
variable displacement pumps operating in a closed oil circuit
for winches 1, 2, 3 and slewing gear; 2 servo-controlled
double axial piston variable displacement pumps in an open
oil circuit for luffing/telescoping; oil cooler within the hydraulic
oil circuit
Crane drive with proved
components
• Maintenance-free suspension rams, free of lateral forces and
protected by synthetic tubes
• Level adjustment (suspension set to ”travel mode”) can be
performed automatically by push-button control from any
position
• Stable cornering ability due to cross mounting of the hydraulic
suspension
• Axle locking system (locking of the suspension for travelling
with equipment) integrated into the suspension ram and
controllable from the driver’s cabin
Crane and road-preserving
Niveaumatik suspension